Jennifer BillockSince Covid-19 broke out in the United States this spring, one unlikely item has seen a spike in sales: washboards. “For the main galvanized washboard, we have seen, from February 19 to October 20, a 500 percent increase, and the three other washboards have at least doubled,” says Glenda Ervin, sales manager and daughter of the store’s founder. This year of all years has shown the relevance of [washboards] and that they can suddenly come back again